#include<iostream>

namespace Myspace
{
 int add(int a,int b)
{
    return a+b;
}
double add(int a,double b)
{
    double sum;
    sum = static_cast<double>(a)+b;
    return sum;
}
double add(double a, int b)
{
    double sum;
    sum = static_cast<double>(a)+b;
    return sum;
}
int add(int a,int b,int c)
{
    return a+b+c;
}
}

